The reporter recently learned from the Xishuangbanna Tropical Botanical Garden of the Chinese Academy of Sciences that the researchers of the park passed market returns on rubber economic benefits and ecosystem service functions.
Space comparisons have led to an area in Xishuangbanna that can take advantage of the carbon market and the water market to realize the first step in retreating the forest. Part of the results were published in the Dutch "Ecology
Number magazine.
It is understood that in the past 30 years, the cultivation of rubber forests in Xishuangbanna has brought considerable economic income to rubber farmers. However, with the expansion of monoculture rubber forests
Zhang, various forests are replaced by rubber trees. In particular, the loss of tropical seasonal rainforests has led to a significant reduction in biodiversity. The Xishuangbanna Prefecture Government hopes to use
"Environmentally Friendly Rubber Parks" and "Green Rubber Parks" promote rubber forests with biological diversity.
"We have used space rubber production measurements, geographic information system spatial models, and mathematical statistics to calculate the space economy of Xishuangbanna rubber forest.
Revenue distribution maps and ecosystem service functions, such as the market value of carbon stocks and hydrological balances. Doctoral student Yi Zhuang said.
Researchers found that rubber forests in low-yield economic areas are restored to natural forests, so the opportunity cost of biodiversity conservation is very low; at 900 meters above sea level or on slopes
Rubber forests with a degree greater than 24 are hardly profitable; high biodiversity areas and high rubber production areas in Xishuangbanna are basically coincident, making it more difficult to protect biodiversity.
The opportunity cost of restoring rubber forests to natural forests in high-yielding areas is high, but the resulting biodiversity is also the highest.
The study also found that the economic benefits of rubber space vary with the age of the rubber tree, and presents spatial differences with altitude, slope, aspect, climate, and soil conditions.
Qualitative. Relevant achievements can provide certain scientific basis for land use and ecological protection planning in Xishuangbanna, the second largest natural rubber producing area in China.
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